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. 2012 Oct 9;24(39):5352-6.
doi: 10.1002/adma.201202574. Epub 2012 Aug 30.

Thermoresponsive polymer induced sweating surfaces as an efficient way to passively cool buildings

A C C Rotzetter  1 , C M Schumacher, S B Bubenhofer, R N Grass, L C Gerber, M Zeltner, W J Stark
Affiliations

Thermoresponsive polymer induced sweating surfaces as an efficient way to passively cool buildings

A C C Rotzetter et al. Adv Mater. .

Abstract

Buildings can be effectively cooled by a bioinspired sweating-like action based on thermoresponsive hydrogels (PNIPAM), which press out their stored water when exceeding the lower critical solution temperature. The surface temperature is reduced by 15 °C compared to that of a conventional hydrogel (pHEMA) and by 25 °C compared to the bare ground.

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